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  • Case ID: 122206
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FTU OTA Failed.

Shreyas Shivalkar

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I am new to nordic ble chips. I am using nrf52832 ble chip, s132_nrf52_3.0.0_softdevice I am trying to update firmware on the air. But I am getting an error that I do not understand. I have attached the screenshot to log from nrf connect app.

Please help me understand the error. Thanks in advance.

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    I am using sample bootloader image with minor modification. Instead of setting and clearing gpio to enter bootloader mode, I am using setting and clearing retention registers to enter the bootloader mode. Softdevice version s132_pca10040 and my custom firmware image.

    1. Steps taken to generate firmware + bootloader image.

      nrfutil settings generate --family NRF52 --application --application-version 5 --bootloader-version 2 --bl-settings-version 1

    2. Merging

      mergehex -m <saber_Bl_settings image> -o

    3. Steps taken to generate OTA firmware build image

      nrfutil pkg generate --hw-version 52 --sd-req 0x8C --application-version 5 --application --key-file private.pem sdfu_package.zip

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  • 0

    I am using sample bootloader image with minor modification. Instead of setting and clearing gpio to enter bootloader mode, I am using setting and clearing retention registers to enter the bootloader mode. Softdevice version s132_pca10040 and my custom firmware image.

    1. Steps taken to generate firmware + bootloader image.

      nrfutil settings generate --family NRF52 --application --application-version 5 --bootloader-version 2 --bl-settings-version 1

    2. Merging

      mergehex -m <saber_Bl_settings image> -o

    3. Steps taken to generate OTA firmware build image

      nrfutil pkg generate --hw-version 52 --sd-req 0x8C --application-version 5 --application --key-file private.pem sdfu_package.zip

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